Finding the Fourth Proportional to 8,128,910.57, 12,193,365.78 and 2,737,109.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,128,910.57 : 12,193,365.78 = 2,737,109.47 : x
2. Step 2: Convert to fraction form
   8,128,910.57/12,193,365.78 = 2,737,109.47/x
3. Step 3: Cross multiply
   8,128,910.57x = 12,193,365.78 × 2,737,109.47
4. Step 4: Simplify right side
   8,128,910.57x = 33,374,576,947,611.94
5. Step 5: Solve for x
   x = 33,374,576,947,611.94/8,128,910.57
6. Step 6: Final answer
   x = 4,105,664.18